21030112012319 has 2 divisors, whose sum is σ = 21030112012320. Its totient is φ = 21030112012318.

The previous prime is 21030112012303. The next prime is 21030112012321. The reversal of 21030112012319 is 91321021103012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21030112012319 - 2⁴ = 21030112012303 is a prime.

It is a super-2 number, since 2×21030112012319² (a number of 27 digits) contains 22 as substring.

Together with 21030112012321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21030112012219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10515056006159 + 10515056006160.

It is an arithmetic number, because the mean of its divisors is an integer number (10515056006160).

Almost surely, 2^{21030112012319} is an apocalyptic number.

21030112012319 is a deficient number, since it is larger than the sum of its proper divisors (1).

21030112012319 is an equidigital number, since it uses as much as digits as its factorization.

21030112012319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 21030112012319 in words is "twenty-one trillion, thirty billion, one hundred twelve million, twelve thousand, three hundred nineteen".